主题词：Soil Carbon and Nitrogen Dynamics; Soil and Water Nutrient Dynamics; Soil erosion and sediment transport; Soil and Unsaturated Flow; Soil Geostatistics and Mapping; Soil Management and Crop Yield; Phosphorus and nutrient management; Peatlands and Wetlands Ecology; Clay minerals and soil interactions; Soil and Land Suitability Analysis; Hydrology and Watershed Management Studies; Agronomic Practices and Intercropping Systems; Irrigation Practices and Water Management; Crop Yield and Soil Fertility; Heavy metals in environment; Plant nutrient uptake and metabolism; Ruminant Nutrition and Digestive Physiology; Soil Moisture and Remote Sensing; Rice Cultivation and Yield Improvement; Agriculture, Soil, Plant Science; Invertebrate Taxonomy and Ecology; Hydrology and Sediment Transport Processes; Soil Mechanics and Vehicle Dynamics; Groundwater and Isotope Geochemistry; Geochemistry and Geologic Mapping